Executive Order 13526Active

Classified National Security Information

Barack Obama

December 29, 2009

75 FR 707

Summary

Established the current framework for classifying, safeguarding, and declassifying national security information. Set automatic declassification timelines and strengthened oversight of the classification system.

Topics

classificationnational securitydeclassificationgovernment transparency

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Jimmy Carter — January 24, 1978

EO 12333amended

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Ronald Reagan — December 4, 1981

EO 12356revoked

National Security Information

Ronald Reagan — April 2, 1982